Home / 4,747.62-7,121.19-1,627.92

Finding the Fourth Proportional to 4,747.62, 7,121.19 and 1,627.92

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Solution

The fourth proportional to 4,747.62, 7,121.19 and 1,627.92 is: 2,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.62 : 7,121.19 = 1,627.92 : x
  2. Step 2: Convert to fraction form
    4,747.62/7,121.19 = 1,627.92/x
  3. Step 3: Cross multiply
    4,747.62x = 7,121.19 × 1,627.92
  4. Step 4: Simplify right side
    4,747.62x = 11,592,727.62
  5. Step 5: Solve for x
    x = 11,592,727.62/4,747.62
  6. Step 6: Final answer
    x = 2,441.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.